Home / 52,166.08-78,248.26-21,000.52

Finding the Fourth Proportional to 52,166.08, 78,248.26 and 21,000.52

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Solution

The fourth proportional to 52,166.08, 78,248.26 and 21,000.52 is: 31,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,166.08 : 78,248.26 = 21,000.52 : x
  2. Step 2: Convert to fraction form
    52,166.08/78,248.26 = 21,000.52/x
  3. Step 3: Cross multiply
    52,166.08x = 78,248.26 × 21,000.52
  4. Step 4: Simplify right side
    52,166.08x = 1,643,254,149.10
  5. Step 5: Solve for x
    x = 1,643,254,149.10/52,166.08
  6. Step 6: Final answer
    x = 31,500.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.